000 00320 a2200145 4500
080 _a590
_bW 156 A
245 1 _aAnimal biology
_cby R.H. Walcott
250 _a3rd edn.
260 _aNew York
_c1946
650 _aZoology
650 _aAnimal Biology
100 1 _aWalcott, R.H.
_d
300 _a719 p.
901 _a73259
999 _c36329
_d36329